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13-1/2" Right Hand Straight Arm Casement Operator – New Style Truth Ellipse
- Regular price
- $29.95
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- Sale price
- $29.95
- Unit price
- per
New style Truth® Ellipse left hand 13-1/2 inch straight arm casement operator with round plastic shoe.This operator is the replacement for old style (55038).Arm Length: 13-1/2 InchArm Type: Straigh... -
Right Hand 13-1/2" Straight Arm Casement Operator – Discontinued Old Style
- Regular price
- $33.04
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- Sale price
- $33.04
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This operator is discontinued and limited to existing stock.DISCONTINUED old style right hand 13-1/2 in. straight arm casement operator with round plastic shoe.New style operator (55036) is a is a ... -
Eclipse Straight Arm Window Operator, 7-1/4" Gold, Fold Down Cover
- Regular price
- $43.55
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- Sale price
- $43.55
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Eclipse straight arm operator, with fold down plastic cover.7-1/4 inch arm length from center of operator to center of round nylon bottom measuring 9/16 diameter, 3/16 inch thick. -
Left Hand Truth 13-1/2" Straight Arm with Stainless Steel Roller
- Regular price
- $54.43
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- Sale price
- $54.43
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Truth Traditional 13-1/2" Straight Arm, Metal Stainless Steel Roller, Left Hand -
Right Hand 13-1/2" Straight Arm Casement Operator, Stainless Steel Roller
- Regular price
- $54.43
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- Sale price
- $54.43
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- per
Truth Traditional Style 13-1/2 single straight arm casement operator with Stainless Steel Roller ButtonThis style of housing has been discontinued and has been replaced with the Ellipse Series.Bran... -
Left-Hand Truth Traditional 9-1/2" Straight Arm Casement Operator, Stainless Steel Roller
- Regular price
- $54.43
- Regular price
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- Sale price
- $54.43
- Unit price
- per
Truth Traditional Style 9-1/2 single straight arm casement operator with Stainless Steel Roller ButtonThey style of housing has been discontinued and has been replaced with the Ellipse SeriesBrand:... -
Right Hand Truth Traditional 9-1/2" Straight Arm Casement Operator with Stainless Steel Roller
- Regular price
- $54.43
- Regular price
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- Sale price
- $54.43
- Unit price
- per
Truth Traditional Style 9-1/2 single straight arm casement operator with Stainless Steel Roller ButtonThey style of housing has been discontinued and has been replaced with the Ellipse SeriesBrand:... -
Left Hand Truth 15.31 9-1/2" Straight Arm Casement Operator
- Regular price
- $20.75
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- Sale price
- $20.75
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DISCONTINUED STYLE - Limited to Existing Inventory, can be Replace with Current Ellipse StyleTruth® Old Style Traditional Straight Arm Casement Operator used primarily with wood windows.Note: Truth... -
Truth 15.31 Weather Shield 9-1/2" Single Straight Arm Casement Operator
- Regular price
- $31.15
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- Sale price
- $31.15
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Special Weather Shield® straight arm casement window operator with built in metal cover designed for folding handle. This design is Exclusive to Weather Shield.Application: Casement WindowsArm Leng... -
Truth 15.32 Ellipse 13-1/2" Left Hand Casement Operator
- Regular price
- $39.95
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- Sale price
- $39.95
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Truth® 15.32 Ellipse Left hand 13-1/2 inch straight arm casement operator with 9/16 round plastic rollerApplication: Casement WindowOperator Style: EllipseArm Length: 13-1/2 InchArm Type: Straight ... -
Right Hand 13-1/2" Ellipse Straight Arm Casement Window Operator
- Regular price
- $29.95
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- Sale price
- $29.95
- Unit price
- per
Truth® 15.32 Ellipse Right hand 13-1/2 inch straight arm casement operator with 9/16 round plastic rollerApplication: Casement WindowOperator Style: EllipseArm Length: 13-1/2 InchArm Type: Straight... -
Left-Hand Truth 15.32 13-1/2" Straight Arm Casement Window Operator
- Regular price
- $29.95
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- Sale price
- $29.95
- Unit price
- per
Truth® 15.32 Traditional Right hand 13-1/2 inch straight arm casement operator with round plastic rollerThe traditional Old style operator has been discontinued and is limited to existing stock.Cra...
Showing 1 -12 of 16 items
Straight arm casement window operators are mechanical devices designed to control the outward swing of a casement window sash. Mounted to the window frame and sash, these operators use a gear-driven straight arm that extends or retracts the window smoothly with a simple turn of the crank. This hardware is especially valuable in areas where reaching the window is difficult, such as above kitchen sinks or behind furniture, as it ensures easy and ergonomic operation for all users.
Applications and Use Cases
Commonly found in both residential and commercial settings, straight arm casement operators are ideal for replacing worn, damaged, or outdated hardware on outward-opening windows. Their precise mechanism allows for exact control over window position, which can improve ventilation and indoor air quality. Because these operators create a tight seal when closed, they also help enhance energy efficiency by minimizing air leakage, making them a smart choice for anyone looking to reduce drafts and heating or cooling costs.
Replacement and Installation Tips
When replacing a casement window operator, it is important to match the arm length, handedness (left or right), and mounting hole configuration to your existing window hardware. Most straight arm operators in this collection are direct replacements for popular window brands and are available in various finishes and styles to match your window's appearance. Basic installation typically requires only a screwdriver and a few common tools, and instructions are included with most products. For a seamless fit, measure your existing arm length and compare to options like this popular operator model or the reliable Ellipse 13-1/2 inch version.
Compatible Brands and Product Selection
The straight arm casement operators sold here are genuine AmesburyTruth parts, designed for use with a range of window makes including WeatherShield, Ellipse, and other leading brands. They are manufactured to exact specifications for durability and longevity, using robust materials like die-cast zinc and stainless steel rollers. Choices include multiple arm lengths (such as 9-1/2 inch and 13-1/2 inch), both left and right hand operation, and finishes to match your window style. Explore options like the stainless steel roller variants for added corrosion resistance, or see the traditional 13-1/2 inch left hand or the 9-1/2 inch right hand model for direct replacement needs.
Why Choose Genuine AmesburyTruth Operators?
All products in this collection are authentic AmesburyTruth parts. As an authorized reseller, TruthParts provides access to the latest, most reliable replacement hardware direct from the manufacturer. This ensures proper fit, performance, and longevity, with the peace of mind that only genuine parts can provide. Whether you're repairing a single window or outfitting an entire property, these operators deliver consistent, trouble-free operation.
Frequently Asked Questions
- How do I determine left or right hand? Stand inside your home facing the window; if the hinge is on your left, select a left hand operator. If it's on your right, choose right hand.
- Are these operators universal? While many straight arm operators fit a variety of window brands, always check dimensions, mounting hole patterns, and handedness for compatibility.
- Do these parts include mounting hardware? Most operators come with necessary mounting screws and instructions, but check each listing for specifics.
- Can I install these myself? Yes, most DIYers can replace operators with basic hand tools. If you encounter issues, professional installation is recommended.